NumberResearchThousands-blocks in 931-871
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 931-871 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 931 blocks
Most active assignees, all time — NPA 931
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2019-04-23 | 931-871-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN |
| — | 931-871-1XXX | 1000–1999 | Available | LIVINGSTON | TN | ||
| 2018-06-15 | 931-871-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | LIVINGSTON | TN |
| — | 931-871-3XXX | 3000–3999 | Available | LIVINGSTON | TN | ||
| 2024-01-30 | 931-871-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | LIVINGSTON | TN |
| — | 931-871-5XXX | 5000–5999 | Available | LIVINGSTON | TN | ||
| 2017-04-26 | 931-871-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN |
| 2026-05-20 | 931-871-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN |
| 2023-08-14 | 931-871-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN |
| 2022-03-25 | 931-871-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.